keep your eyes peeled
US /kiːp jʊər aɪz piːld/
UK /kiːp jʊər aɪz piːld/

1.
留心, 密切注意
to watch carefully for someone or something; to be alert and observant
:
•
Keep your eyes peeled for deer when you're driving through the forest.
開車穿過森林時,留心鹿。
•
The police told us to keep our eyes peeled for any suspicious activity.
警察告訴我們要留意任何可疑活動。